Arrange the elements according to atomic radius. Largest radius Na Ar Mg Al Si P S CI Smallest radius Answer Bank Incorrect

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Arrange the elements according to atomic radius.
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The size of an atom is dictated by how
far the outermost electrons are from the
Largest radius
nucleus. Effective nuclear charge
Na
increases as you move from left to right
across a period. A greater effective
Ar
nuclear charge means that the outer
electrons are pulled closer to the
Mg
nucleus, decreasing the atom's radius.
Thus, Ar has the largest effective
Al
nuclear charge and, therefore, the
smallest radius.
Si
S
Cl
Smallest radius
Answer Bank
Incorrect
Transcribed Image Text:Arrange the elements according to atomic radius. Feedback The size of an atom is dictated by how far the outermost electrons are from the Largest radius nucleus. Effective nuclear charge Na increases as you move from left to right across a period. A greater effective Ar nuclear charge means that the outer electrons are pulled closer to the Mg nucleus, decreasing the atom's radius. Thus, Ar has the largest effective Al nuclear charge and, therefore, the smallest radius. Si S Cl Smallest radius Answer Bank Incorrect
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